Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:18:15 2013 Optimize a model with 594 rows, 29214 columns and 58374 nonzeros Presolve time: 0.04s Presolved: 594 rows, 29214 columns, 58374 nonzeros Variable types: 29160 continuous, 54 integer (54 binary) Root relaxation: objective 4.574476e+04, 879 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 45744.7599 0 11 - 45744.7599 - - 0s H 0 0 49889.000000 45744.7599 8.31% - 0s H 0 0 46766.000000 45744.7599 2.18% - 0s 0 0 46485.4099 0 6 46766.0000 46485.4099 0.60% - 0s 0 0 46580.5073 0 7 46766.0000 46580.5073 0.40% - 0s 0 0 46589.7132 0 6 46766.0000 46589.7132 0.38% - 0s 0 0 46589.9138 0 6 46766.0000 46589.9138 0.38% - 0s 0 0 46589.9445 0 6 46766.0000 46589.9445 0.38% - 0s 0 0 46589.9445 0 6 46766.0000 46589.9445 0.38% - 0s 0 0 46604.3450 0 5 46766.0000 46604.3450 0.35% - 0s H 0 0 46699.000000 46604.3450 0.20% - 0s 0 0 46604.3450 0 10 46699.0000 46604.3450 0.20% - 0s 0 0 46604.3450 0 5 46699.0000 46604.3450 0.20% - 0s 0 0 46604.3450 0 8 46699.0000 46604.3450 0.20% - 0s 0 0 46604.3450 0 5 46699.0000 46604.3450 0.20% - 0s 0 0 46604.3450 0 5 46699.0000 46604.3450 0.20% - 0s 0 0 46604.3450 0 5 46699.0000 46604.3450 0.20% - 0s 0 0 46604.3450 0 5 46699.0000 46604.3450 0.20% - 0s 0 0 46604.4994 0 4 46699.0000 46604.4994 0.20% - 0s 0 0 46604.6032 0 5 46699.0000 46604.6032 0.20% - 0s 0 0 46614.5841 0 4 46699.0000 46614.5841 0.18% - 0s 0 2 46615.4446 0 4 46699.0000 46615.4446 0.18% - 1s Cutting planes: Implied bound: 67 Flow cover: 10 Explored 9 nodes (2406 simplex iterations) in 1.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.669900000000e+04, best bound 4.669900000000e+04, gap 0.0%